Prevent pull requests modifying translations

.gitattributes

@@ -17,3 +17,6 @@ yarn.lock text eol=lf
 # Denote all files that are truly binary and should not be modified.
 *.png binary
 *.jpg binary
+
+# Mark translation files as generated
+packages/desktop-client/locale/*.json linguist-generated=true

.github/workflows/auto-close-translation-prs.yaml

@@ -0,0 +1,14 @@
+name: 🔒 Auto-close Pull Requests that modify translations
+
+on:
+  pull_request_target:
+    types: [opened]
+    paths: 'packages/desktop-client/locale/*.json'
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: superbrothers/close-pull-request@v3
+      with:
+        comment: "👋 This repository does not accept pull requests for translations. Please contribute on [Weblate](https://hosted.weblate.org/projects/actualbudget/) instead."

packages/desktop-client/locale/README.md

@@ -0,0 +1,2 @@
+> [!CAUTION]
+> Please do not open Pull Requests changing this directory! Pull Requests with changes to this directory will be automatically closed. Instead, contribute to the [Weblate project](https://hosted.weblate.org/projects/actualbudget/).